package com.lagou.service.impl;

import com.lagou.base.StatusCode;
import com.lagou.dao.CourseContentDao;
import com.lagou.dao.impl.CourseContentDaoImpl;
import com.lagou.pojo.Course;
import com.lagou.pojo.Course_Lesson;
import com.lagou.pojo.Course_Section;
import com.lagou.service.CourseContentService;
import com.lagou.utils.DateUtils;

import java.util.List;

/**
 * @author TianSu
 * @creat 2021-05-11-16:05
 **/
public class CourseContentServiceImpl implements CourseContentService {

    CourseContentDao contentDao = new CourseContentDaoImpl();

    @Override
    public List<Course_Section> findSectionAndLessonByCourseId(int courseId) {
        List<Course_Section> sections = contentDao.findSectionAndLessonByCourseId(courseId);
        return sections;
    }

    @Override
    public Course findCourseByCourseId(int courseId) {
        Course course = contentDao.findCourseByCourseId(courseId);
        return course;
    }

    @Override
    public String saveSection(Course_Section section) {
        //补全章节信息
        String dateFormart = DateUtils.getDateFormart();
        section.setCreate_time(dateFormart);
        section.setUpdate_time(dateFormart);
        section.setStatus(2);  //0隐藏 1待更新 2已发布
        //调用Dao
        int row = contentDao.saveSection(section);

        if(row>0){
            String result = StatusCode.SUCCESS.toString();
            return result;
        }else{
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }



    @Override
    public String updateSection(Course_Section section) {
        //1补全信息
        String date = DateUtils.getDateFormart();
        section.setUpdate_time(date);
        //2调用dao
        int row = contentDao.updateSection(section);

        //3判断是否插入成功
        if(row>0){
            String result = StatusCode.SUCCESS.toString();
            return result;
        }else {
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }

    @Override
    public String updateSectionStatus(int id, int status) {
        int row = contentDao.updateSectionStatus(id, status);
        //判断是否成功
        if(row>0){
            String result = StatusCode.SUCCESS.toString();
            return result;
        }else {
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }

    @Override
    public String saveLesson(Course_Lesson lesson) {
        //补全章节信息
        String dateFormart = DateUtils.getDateFormart();
        lesson.setCreate_time(dateFormart);
        lesson.setUpdate_time(dateFormart);
        lesson.setStatus(2);  //0隐藏 1待更新 2已发布
        //调用Dao
        int row = contentDao.saveLesson(lesson);

        if(row>0){
            String result = StatusCode.SUCCESS.toString();
            return result;
        }else{
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }

    @Override
    public String updateLesson(Course_Lesson lesson) {
        //1补全信息
        String date = DateUtils.getDateFormart();
        lesson.setUpdate_time(date);
        //2调用dao
        int row = contentDao.updateLesson(lesson);

        //3判断是否插入成功
        if(row>0){
            String result = StatusCode.SUCCESS.toString();
            return result;
        }else {
            String result = StatusCode.FAIL.toString();
            return result;
        }
    }
}
